Greatest Common Factor of 15, 68, 71, 16

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

• Greatest Common Factor of 15, 68, 71, 16 by common division method
• Greatest Common Factor of 15, 68, 71, 16 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

Factors of 68

List of positive integer factors of 68 that divides 68 without a remainder.

1,2,4,17,34,68

Factors of 71

List of positive integer factors of 71 that divides 71 without a remainder.

1,71

Factors of 16

List of positive integer factors of 16 that divides 16 without a remainder.

1,2,4,8,16

Greatest Common Factor

We found the factors 15,68,71,16 . The biggest common factor number is the GCF number.
So the greatest common factor 15,68,71,16 is 1.

Here are some samples of GCF of two or more Numbers calculations.

• GCF of 34, 62, 13, 80
• GCF of 38, 31, 96, 42
• GCF of 45, 55, 55, 69
• GCF of 51, 40, 25, 39
• GCF of 61, 14, 51, 48

1. What is the GCF of 15, 68, 71, 16?

Answer: GCF of 15, 68, 71, 16 is 1.

2. How to Find the GCF of 15, 68, 71, 16

Answer: Greatest Common Factor(GCF) of 15, 68, 71, 16 = 1

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(15, 68, 71, 16) = 1.